199475984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{656171}}^1$

素因数の和:656198

約数の個数: 20

約数和(自身を含む): 406826640

約数和(自身を除く): 207350656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 656171, 1312342, 2624684, 5249368, 10498736, 12467249, 24934498, 49868996, 99737992, 199475984]

約数ペア:

[(1, 199475984), (2, 99737992), (4, 49868996), (8, 24934498), (16, 12467249), (19, 10498736), (38, 5249368), (76, 2624684), (152, 1312342), (304, 656171)]